:root {
  color-scheme: dark;
  --bg: #0b0f0d;
  --panel: #14221b;
  --panel-strong: #1d3026;
  --text: #f3f8f4;
  --muted: #b8c8be;
  --line: #2f473a;
  --green: #69f0a8;
  --teal: #56d6d6;
  --amber: #f6c76a;
  --shadow: rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 15, 13, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(105, 240, 168, 0.55);
  border-radius: 8px;
  background: #203329;
  color: var(--green);
  font-size: 13px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 68px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 4vw, 56px) 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(48px, 8vw, 88px);
  line-height: 0.96;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.1;
}

h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.hero-text {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--green);
  color: #072013;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.release-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
  margin: 32px 0 0;
}

.release-facts div,
.feature-grid article,
.app-screenshot {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.release-facts div {
  padding: 12px;
}

dt {
  color: var(--muted);
  font-size: 12px;
}

dd {
  margin: 2px 0 0;
  font-weight: 700;
}

.app-screenshot {
  overflow: hidden;
  box-shadow: 0 24px 70px var(--shadow);
}

.app-screenshot img {
  display: block;
  width: 100%;
  height: auto;
}

.section-band,
.desktop-link,
.limits-section {
  padding: clamp(48px, 7vw, 88px) clamp(18px, 4vw, 56px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-grid article {
  min-height: 190px;
  padding: 20px;
}

.feature-grid p,
.security-list p,
.desktop-link p {
  color: var(--muted);
}

.desktop-link {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #101814;
}

.security-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.security-list p {
  margin: 0;
  border-left: 3px solid var(--green);
  padding: 4px 0 4px 14px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 4vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

footer a {
  text-decoration: none;
}

footer a:hover {
  color: var(--green);
}

@media (max-width: 960px) {
  .hero,
  .section-heading,
  .desktop-link {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .feature-grid,
  .security-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .release-facts,
  .feature-grid,
  .security-list {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}